reID machine learning inference

Question

reID machine learning inference

Saurabh Singh Sengar 21 Microsoft Employee

I want to do reID operation on a person's face, so that it give me different numerical value for different faces, which can be map to person's identity. I couldn't find any ready to use reID model with Azure, please let me know what is the work involved in it ?
Can I use some open source reID trained model like caffe/pytorch and use with some of the Azure service to inference using it.

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Answer 1

Rohit Mungi 49,111 Microsoft Employee Moderator

@Saurabh Singh Sengar I don't think there is a readymade model that is available from Azure Machine Learning to deploy and infer face ids.
Azure Face API is the service that offers this scenario where you can pass an image to the API and a face id or a GUID is returned for a face or faces detected in the image.
This is a cognitive service offering from Azure which is available in general to public with the exception of using it for police or police departments in the US.

Saurabh Singh Sengar 21 Reputation points Microsoft Employee

2021-09-09T11:42:39.03+00:00

I guess GUID are not same as reID, and for same face people will get different GUID once it expires.
Is there way we can use open source reID model with Azure. What are the best option.
Rohit Mungi 49,111 Reputation points Microsoft Employee Moderator

2021-09-09T12:17:27.89+00:00

I don't think there is an option to use a different model other than the recognition models available from the face API.
With respect to GUID usage, There is a chance to get a different GUID for a same face so for this scenario the personDirectory feature comes in handy. This allows to pass the image to add the person to the directory which is then available with the identify calls and the GUIDs matching will be returned for the personID that is used with the directory.

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reID machine learning inference

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